1. Atmosphere Section1 Earth’s Atmosphere
Define
Pressure
Atmosphere
Ionosphere
Ultraviolet radiation
Chlorofluorocarbon

2. Atmosphere Section 1 Earth’s Atmosphere
Importance of the Atmosphere
*Summarize why Earth’s atmosphere is important to life on Earth.
Makeup of the Atmosphere
The gas that makes up most of the atmosphere is __________________.
______________ makes up 21 percent of the atmosphere. Oxygen gas is important because __________________________________________________________. Although carbon dioxide makes up only .03% of the atmosphere it is a concern because ____________________________________________________________
_________________________________________________________________.

3. ATMOSHPERE SECTION 1 EARTH’S ATMOSPHERE
LAYERS OF THE ATMOSPHERE
MODEL the layers of the atmosphere by drawing them. Label and describe the characteristics of each layer.

4. ATMOSPHERE EARTH’S ATMOSPHERE
MODEL HOW AIR PRESSURE CHANGES AS YOU GO HIGHER IN THE ATMOSPHERE BY CREATING A DRAWING IN WHICH DOTS REPRESENT AIR MOLECULES. DESCRIBE THE CAUSE OF AIR PRESSURE.
DESCRIBE:
_______________________ _______________________
_______________________
AIR MOLECULES

5. ATMOSPHERE EARTH’S ATMOSPHERE- SECTION 1
TEMPERATURE IN ATMOSPHERIC LAYERS
COMPARE
The temperature changes that occur as you go higher in the troposphere, stratosphere, mesosphere, and thermosphere. Use the figure in you book to help you.
* Why did many governments around the world agree to ban the production and use of CFC’s in the mid- 1990’s?